diff --git a/nixos/modules/system/boot/plymouth.nix b/nixos/modules/system/boot/plymouth.nix
index ef916899944..2a545e55251 100644
--- a/nixos/modules/system/boot/plymouth.nix
+++ b/nixos/modules/system/boot/plymouth.nix
@@ -4,8 +4,7 @@ with lib;
 
 let
 
-  inherit (pkgs) plymouth;
-  inherit (pkgs) nixos-icons;
+  inherit (pkgs) plymouth nixos-icons;
 
   cfg = config.boot.plymouth;
 
@@ -16,14 +15,37 @@ let
     osVersion = config.system.nixos.release;
   };
 
+  plymouthLogos = pkgs.runCommand "plymouth-logos" { inherit (cfg) logo; } ''
+    mkdir -p $out
+
+    # For themes that are compiled with PLYMOUTH_LOGO_FILE
+    mkdir -p $out/etc/plymouth
+    ln -s $logo $out/etc/plymouth/logo.png
+
+    # Logo for bgrt theme
+    # Note this is technically an abuse of watermark for the bgrt theme
+    # See: https://gitlab.freedesktop.org/plymouth/plymouth/-/issues/95#note_813768
+    mkdir -p $out/share/plymouth/themes/spinner
+    ln -s $logo $out/share/plymouth/themes/spinner/watermark.png
+
+    # Logo for spinfinity theme
+    # See: https://gitlab.freedesktop.org/plymouth/plymouth/-/issues/106
+    mkdir -p $out/share/plymouth/themes/spinfinity
+    ln -s $logo $out/share/plymouth/themes/spinfinity/header-image.png
+  '';
+
   themesEnv = pkgs.buildEnv {
     name = "plymouth-themes";
-    paths = [ plymouth ] ++ cfg.themePackages;
+    paths = [
+      plymouth
+      plymouthLogos
+    ] ++ cfg.themePackages;
   };
 
   configFile = pkgs.writeText "plymouthd.conf" ''
     [Daemon]
     ShowDelay=0
+    DeviceTimeout=8
     Theme=${cfg.theme}
     ${cfg.extraConfig}
   '';
@@ -47,7 +69,7 @@ in
       };
 
       themePackages = mkOption {
-        default = [ nixosBreezePlymouth ];
+        default = lib.optional (cfg.theme == "breeze") nixosBreezePlymouth;
         type = types.listOf types.package;
         description = ''
           Extra theme packages for plymouth.
@@ -55,7 +77,7 @@ in
       };
 
       theme = mkOption {
-        default = "breeze";
+        default = "bgrt";
         type = types.str;
         description = ''
           Splash screen theme.
@@ -64,7 +86,8 @@ in
 
       logo = mkOption {
         type = types.path;
-        default = "${nixos-icons}/share/icons/hicolor/128x128/apps/nix-snowflake.png";
+        # Dimensions are 48x48 to match GDM logo
+        default = "${nixos-icons}/share/icons/hicolor/48x48/apps/nix-snowflake-white.png";
         defaultText = ''pkgs.fetchurl {
           url = "https://nixos.org/logo/nixos-hires.png";
           sha256 = "1ivzgd7iz0i06y36p8m5w48fd8pjqwxhdaavc0pxs7w1g7mcy5si";
@@ -110,12 +133,18 @@ in
     systemd.services.plymouth-poweroff.wantedBy = [ "poweroff.target" ];
     systemd.services.plymouth-reboot.wantedBy = [ "reboot.target" ];
     systemd.services.plymouth-read-write.wantedBy = [ "sysinit.target" ];
-    systemd.services.systemd-ask-password-plymouth.wantedBy = ["multi-user.target"];
-    systemd.paths.systemd-ask-password-plymouth.wantedBy = ["multi-user.target"];
+    systemd.services.systemd-ask-password-plymouth.wantedBy = [ "multi-user.target" ];
+    systemd.paths.systemd-ask-password-plymouth.wantedBy = [ "multi-user.target" ];
 
     boot.initrd.extraUtilsCommands = ''
-      copy_bin_and_libs ${pkgs.plymouth}/bin/plymouthd
-      copy_bin_and_libs ${pkgs.plymouth}/bin/plymouth
+      copy_bin_and_libs ${plymouth}/bin/plymouth
+      copy_bin_and_libs ${plymouth}/bin/plymouthd
+
+      # Check if the actual requested theme is here
+      if [[ ! -d ${themesEnv}/share/plymouth/themes/${cfg.theme} ]]; then
+          echo "The requested theme: ${cfg.theme} is not provided by any of the packages in boot.plymouth.themePackages"
+          exit 1
+      fi
 
       moduleName="$(sed -n 's,ModuleName *= *,,p' ${themesEnv}/share/plymouth/themes/${cfg.theme}/${cfg.theme}.plymouth)"
 
@@ -127,21 +156,29 @@ in
       mkdir -p $out/share/plymouth/themes
       cp ${plymouth}/share/plymouth/plymouthd.defaults $out/share/plymouth
 
-      # copy themes into working directory for patching
+      # Copy themes into working directory for patching
       mkdir themes
-      # use -L to copy the directories proper, not the symlinks to them
-      cp -r -L ${themesEnv}/share/plymouth/themes/{text,details,${cfg.theme}} themes
 
-      # patch out any attempted references to the theme or plymouth's themes directory
+      # Use -L to copy the directories proper, not the symlinks to them.
+      # Copy all themes because they're not large assets, and bgrt depends on the ImageDir of
+      # the spinner theme.
+      cp -r -L ${themesEnv}/share/plymouth/themes/* themes
+
+      # Patch out any attempted references to the theme or plymouth's themes directory
       chmod -R +w themes
       find themes -type f | while read file
       do
         sed -i "s,/nix/.*/share/plymouth/themes,$out/share/plymouth/themes,g" $file
       done
 
+      # Install themes
       cp -r themes/* $out/share/plymouth/themes
-      cp ${cfg.logo} $out/share/plymouth/logo.png
 
+      # Install logo
+      mkdir -p $out/etc/plymouth
+      cp -r -L ${themesEnv}/etc/plymouth $out
+
+      # Setup font
       mkdir -p $out/share/fonts
       cp ${cfg.font} $out/share/fonts
       mkdir -p $out/etc/fonts
diff --git a/pkgs/os-specific/linux/plymouth/default.nix b/pkgs/os-specific/linux/plymouth/default.nix
index c167b202c8d..8cb2a00987e 100644
--- a/pkgs/os-specific/linux/plymouth/default.nix
+++ b/pkgs/os-specific/linux/plymouth/default.nix
@@ -1,64 +1,111 @@
-{ stdenv, fetchurl, autoreconfHook, pkg-config, libxslt, docbook_xsl
-, gtk3, udev, systemd, lib
+{ lib
+, stdenv
+, fetchpatch
+, fetchFromGitLab
+, pkg-config
+, autoreconfHook
+, libxslt
+, docbook-xsl-nons
+, gettext
+, gtk3
+, systemd
+, pango
+, cairo
+, libdrm
 }:
 
 stdenv.mkDerivation rec {
-  pname = "plymouth";
-  version = "0.9.4";
+  pname = "plymouth-unstable";
+  version = "2020-12-07";
 
-  src = fetchurl {
-    url = "https://www.freedesktop.org/software/plymouth/releases/${pname}-${version}.tar.xz";
-    sha256 = "0l8kg7b2vfxgz9gnrn0v2w4jvysj2cirp0nxads5sy05397pl6aa";
+  outputs = [
+    "out"
+    "dev"
+  ];
+
+  src = fetchFromGitLab {
+    domain = "gitlab.freedesktop.org";
+    owner = "plymouth";
+    repo = "plymouth";
+    rev = "c4ced2a2d70edea7fbb95274aa1d01d95928df1b";
+    sha256 = "7CPuKMA0fTt8DBsaA4Td74kHT/O7PW8N3awP04nUnOI=";
   };
 
   nativeBuildInputs = [
-    autoreconfHook pkg-config libxslt docbook_xsl
+    autoreconfHook
+    docbook-xsl-nons
+    gettext
+    libxslt
+    pkg-config
   ];
 
   buildInputs = [
-    gtk3 udev systemd
+    cairo
+    gtk3
+    libdrm
+    pango
+    systemd
+  ];
+
+  patches = [
+    # KillMode=none is deprecated
+    # https://gitlab.freedesktop.org/plymouth/plymouth/-/issues/123
+    (fetchpatch {
+      url = "https://gitlab.freedesktop.org/plymouth/plymouth/-/commit/b406b0895a95949db2adfedaeda451f36f2b51c3.patch";
+      sha256 = "/UBImNuFO0G/oxlttjGIXon8YXMXlc9XU8uVuR9QuxY=";
+    })
   ];
 
   postPatch = ''
     sed -i \
-      -e "s#\$(\$PKG_CONFIG --variable=systemdsystemunitdir systemd)#$out/etc/systemd/system#g" \
       -e "s#plymouthplugindir=.*#plymouthplugindir=/etc/plymouth/plugins/#" \
       -e "s#plymouththemedir=.*#plymouththemedir=/etc/plymouth/themes#" \
       -e "s#plymouthpolicydir=.*#plymouthpolicydir=/etc/plymouth/#" \
+      -e "s#plymouthconfdir=.*#plymouthconfdir=/etc/plymouth/#" \
       configure.ac
   '';
 
+  configurePlatforms = [ "host" ];
+
   configureFlags = [
-    "--sysconfdir=/etc"
-    "--with-systemdunitdir=${placeholder "out"}/etc/systemd/system"
-    "--localstatedir=/var"
-    "--with-logo=/etc/plymouth/logo.png"
-    "--with-background-color=0x000000"
-    "--with-background-start-color-stop=0x000000"
-    "--with-background-end-color-stop=0x000000"
-    "--with-release-file=/etc/os-release"
-    "--without-system-root-install"
-    "--without-rhgb-compat-link"
-    "--enable-tracing"
-    "--enable-systemd-integration"
-    "--enable-pango"
-    "--enable-gdm-transition"
+    "--enable-documentation"
+    "--enable-drm"
     "--enable-gtk"
+    "--enable-pango"
+    "--enable-systemd-integration"
+    "--enable-tracing"
+    "--localstatedir=/var"
+    "--sysconfdir=/etc"
+    "--with-background-color=0x000000"
+    "--with-background-end-color-stop=0x000000"
+    "--with-background-start-color-stop=0x000000"
+    "--with-logo=/etc/plymouth/logo.png"
+    "--with-release-file=/etc/os-release"
+    "--with-runtimedir=/run"
+    "--with-systemdunitdir=${placeholder "out"}/etc/systemd/system"
+    "--without-rhgb-compat-link"
+    "--without-system-root-install"
     "ac_cv_path_SYSTEMD_ASK_PASSWORD_AGENT=${lib.getBin systemd}/bin/systemd-tty-ask-password-agent"
   ];
 
-  configurePlatforms = [ "host" ];
-
   installFlags = [
-    "plymouthd_defaultsdir=$(out)/share/plymouth"
-    "plymouthd_confdir=$(out)/etc/plymouth"
+    "localstatedir=\${TMPDIR}"
+    "plymouthd_confdir=${placeholder "out"}/etc/plymouth"
+    "plymouthd_defaultsdir=${placeholder "out"}/share/plymouth"
+    "sysconfdir=${placeholder "out"}/etc"
   ];
 
+  postInstall = ''
+    # Makes a symlink to /usr/share/pixmaps/system-logo-white.png
+    # We'll handle it in the nixos module.
+    rm $out/share/plymouth/themes/spinfinity/header-image.png
+  '';
+
   meta = with lib; {
-    homepage = "http://www.freedesktop.org/wiki/Software/Plymouth";
-    description = "A graphical boot animation";
-    license = licenses.gpl2;
-    maintainers = [ maintainers.goibhniu ];
+    homepage = "https://www.freedesktop.org/wiki/Software/Plymouth/";
+    description = "Boot splash and boot logger";
+    license = licenses.gpl2Plus;
+    maintainers = [ maintainers.goibhniu teams.gnome.members ];
     platforms = platforms.linux;
   };
 }